Shanghai hypothetical hypothesis company limited, with a registered address at 500 ksingnan road, in shanghai, with the registration authority being the market supervisory authority of the carting area, with the legal representative liu yu, operates on general items such as high-pressure oil pipelines, magnetic materials, metal tools, rubber products, plastics, instrumentation instruments, stainless steel liners, and the sale of hardware products. (in addition to the legally authorized projects, operations are carried out on an autonomous basis under the legal licence.)